<!--首页图标展示 -->
<template>
  <div class="icons">
    <swiper :options="swiperOption">
        <swiper-slide v-for="(page,index) in pages" :key='index'>
              <div class="icon" v-for="item in page" :key='item.id'>
                <div class="icon-img">
                  <a href="javascript:;">
                    <img class='icon-img-content' :src="item.iconUrl" alt="">
                  </a>
                </div>
                <p class="icon-desc">{{item. iconDesc}}</p>
              </div>
        </swiper-slide>
        <div class="swiper-pagination"  slot="pagination"></div>
    </swiper>
  </div>
</template>

<script>
export default {
  data () {
    return {
      swiperOption: {
        pagination: {
          el: '.swiper-pagination',
          clickable: 'true'
        },
        loop: true
      }
    }
  },
  props: {
    'iconList': Array
  },
  components: {},

  computed: {
    pages () {
      var pages = []
      this.iconList.forEach((element, index) => {
        var page = Math.floor(index / 8)
        if (!pages[page]) {
          pages[page] = []
        }
        pages[page].push(element)
      })
      return pages
    }
  },

  methods: {}
}

</script>
<style lang='stylus' scoped>
@import '~styles/varibles.styl'
@import '~styles/mixins.styl'
.icons>>>.swiper-container
  height 0
  padding-bottom 50%
.icons
  margin-top .1rem
  .icon
      position relative
      overflow hidden
      height 0
      width 25%
      float left
      padding-bottom 25% // 使用margin/padding的百分比值来解决自适应高度的关键在于：容器margin/padding的百分比参照物是父元素的宽度
      .icon-img
        position absolute
        top 0
        left 0
        right 0
        bottom .44rem
        box-sizing border-box
        padding .1rem
        .icon-img-content
          display block
          height 100%
          margin 0 auto
      .icon-desc
        position absolute
        left 0
        right 0
        bottom 0
        height .44rem
        line-height .44rem
        text-align center
        ellipsis()
</style>
